This frequency divider by 10 uses discrete components only. Modern equivalent components can be used as the circuit is from an 80's documentation. Nearby frequencies can be used.
This 1 MHz oscillator was found in the February 1992 issue of Radio Electronics magazine. The...
This circuit is from an American publication of 1978. It can be assembled with modern transistors, since...
This traditional oscillator uses two complementary transistors to produce low frequency signals....